CN107165165A - Piling machine and its piling component and pile-driving method - Google Patents
Piling machine and its piling component and pile-driving method Download PDFInfo
- Publication number
- CN107165165A CN107165165A CN201710366176.2A CN201710366176A CN107165165A CN 107165165 A CN107165165 A CN 107165165A CN 201710366176 A CN201710366176 A CN 201710366176A CN 107165165 A CN107165165 A CN 107165165A
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- Prior art keywords
- pile
- sleeve
- hammer
- piling
- soil block
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/26—Placing by using several means simultaneously
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/10—Follow-blocks of pile-drivers or like devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of piling machine and its piling component and pile-driving method, the piling component includes pile and the sleeve being socketed with pile, the upper end of the pile is fixedly installed the diesel hammer for driving pile to move, the upper end of the sleeve is fixedly installed the vibration hammer for being vibrated with moving sleeve, the lower end of the pile is connected with coniform brill soil block, and the pile and length sleeve are equal.Beneficial effects of the present invention are：The piling component can reduce the resistance that sleeve and pile are subject to, lifting piling efficiency.
Description
Technical field
The present invention relates to Architectural Equipment, more particularly to a kind of piling machine and its piling component and pile-driving method.
Background technology
Piling construction is the foundation engineering in construction.In the prior art, the piling construction method in construction site has
Three kinds：Diesel hammer piling method, vibration hammer piling method and spiral pore-creating filling pile method.Wherein, diesel hammer piling method and vibration are beaten
Stake method is required for using prefabricated pile, the problem of thickness that there is prefabricated pile is mismatched with stake holes size and prefabricated pile is with transport.And
Spiral pore-creating filling pile method overcomes the defect of diesel hammer piling method and vibration hammer piling method, but there is also asking that stake holes is shunk
Topic.
Publication No. CN103953042A Chinese patent discloses a kind of telescopic combination piling machine and its pile-driving method.
During piling machine piling, sleeve is set with pile, so that pile can avoid soil from entering set full of sleeve inner
In cylinder, therefore sleeve is blocked without using precast pile tip, so as to avoid because precast pile tip runs into hard thing and occurs damaged and shadow
The situation for ringing piling occurs.
But, during piling machine piling, because the lower surface of sleeve and pile is plane, therefore sleeve and stake
The resistance that post is subject to during piling is larger, influence piling efficiency, has much room for improvement.
The content of the invention
It is an object of the invention to provide one kind piling component.The piling component can reduce the resistance that sleeve and pile are subject to
Power, lifting piling efficiency.
The present invention above-mentioned technical purpose technical scheme is that：
One kind piling component, including pile and the sleeve with pile socket, the upper end of the pile is fixedly installed for driving
The diesel hammer of pile movement, the upper end of the sleeve is fixedly installed the vibration hammer for being vibrated with moving sleeve, the pile
Lower end is connected with coniform brill soil block, and the pile and length sleeve are equal.
By using above-mentioned technical proposal, in piling, diesel hammer power is larger, is used as main power source.Due to pile
It is socketed with sleeve, therefore when diesel hammer drive pile is moved downward and driven piles, diesel hammer can be connected to the upper end of sleeve simultaneously
Band moving sleeve is synchronously moved downward.Because pile and length sleeve are equal, therefore, brill soil block can expose sleeve and be driven piles.
Compared to pile lower surface be plane situation, bore soil block in coniform, can reduce pile during piling by
Resistance, so as to lift piling efficiency.
The present invention is further arranged to：The lower end of the sleeve is provided with chamfering, the fillet surface and brill soil block of the sleeve
Side alignment.
By using above-mentioned technical proposal, because pile and length sleeve are equal, therefore brill soil block can expose sleeve.Set
The fillet surface of the lower end of cylinder can align with the side for boring soil block, so that the side of the fillet surface of sleeve and brill soil block can be formed
Bigger circular cone, so that the resistance being subject in piling process middle sleeve is reduced, while strengthening the ability to bear for boring soil block.
The present invention is further arranged to：In the pile and brill soil block, one of them is provided with screwed hole, another company
Threaded post is connected to, after threaded post enters screwed hole, pile and brill soil block are relatively fixed.
By using above-mentioned technical proposal, during piling, bore soil block and inevitably wear and tear.Pass through screw thread
Post enters screwed hole and realizes pile and bore the threaded connection of soil block, then when brill soil block is damaged, will bore soil block and pile enters
Row separates to change brill soil block, it is to avoid change whole pile post, saves cost.
The present invention is further arranged to：The screwed hole is located at the lower surface of pile, the threaded post and the bottom for boring soil block
Face integrally connected.
By using above-mentioned technical proposal, if screwed hole is located at the bottom surface for boring soil block, and the lower surface of threaded post and pile
Integrally connected, then can cause the aperture of screwed hole to be located at the top of bottom hole.And during piling, easily seeped water in stake holes.Cause
This, when the aperture of screwed hole is located at the top of bottom hole, water enters after screwed hole, it may be difficult to flow out, so as to easily cause brill soil
The corrosion of block and pile.
The present invention is further arranged to：It is connected between the threaded post and brill soil block in round table-like contiguous block, works as spiral shell
When line post enters screwed hole, the side of the contiguous block is closely abutted with the lower surface of pile.
By using above-mentioned technical proposal, because the side of contiguous block and the lower surface of pile are closely abutted, therefore pile
Lower surface and the side of contiguous block be inclined-plane.And when water level is between the lower surface of pile and the side of contiguous block, water
Easily flowed out under self gravitation, so that time of the hydropexis between the lower surface of pile and the side of contiguous block is reduced, from
And reduce corrosion of the water to brill soil block and pile.
Another goal of the invention of the present invention, which is to provide on a kind of piling machine, including crawler body, the crawler body, to be installed
Have and guide rail upright columns, support bar and double drum winch, twin for supporting guide column, its feature are provided with platform, the platform
It is：Including above-mentioned piling component, the diesel hammer is slidably matched with guide rail upright columns, and the double drum winch, twin is same by wirerope
When connect and control diesel hammer and the lifting of vibration hammer.
By using above-mentioned technical proposal, using when the piling machine is driven piles, the resistance being subject to of sleeve and pile
Smaller, piling efficiency is higher.
The present invention is further arranged to：Charging hoist engine is provided with the platform, the charging hoist engine passes through wirerope
It is connected with the suspension hook for picking and placeing steel reinforcement cage.
By using above-mentioned technical proposal, the setting of charging hoist engine and suspension hook is easy to pick and place steel reinforcement cage.And in sleeve
It can strengthen the intensity after concrete setting using steel reinforcement cage.
The present invention also has a goal of the invention to be to provide a kind of pile-driving method using above-mentioned piling machine, including following step
Suddenly：
S1：Check bore soil block abrasion condition and confirm it is errorless after, with double drum winch, twin discharge wirerope, by diesel hammer, pile,
Synchronously decentralization to pile driving position, now sleeve bottom is separated with diesel hammer bottom for vibration hammer and sleeve, and pile and sleeve socket；
S2：Stop double drum winch, twin, relaxation wirerope is opened diesel hammer and vibration hammer and driven piles to being related to depth, diesel hammer
After work, sleeve bottom and diesel hammer bottom are abutted；
S3：Double drum winch, twin is opened, the wirerope being connected with diesel hammer is reclaimed, diesel hammer and pile is lifted, until boring soil block
Place an order and depart from the upper end of sleeve and vibration hammer；
S4：Steel reinforcement cage is placed on suspension hook, steel reinforcement cage is lifted with charging hoist engine and is put into sleeve；
S5：Concrete is pumped into sleeve, while opening vibration hammer and double drum winch, twin, the steel being connected with vibration hammer is reclaimed
Cable, steps up sleeve, sleeve is socketed again with pile.
By using above-mentioned technical proposal, when lifting sleeve, the close of concrete in sleeve is lifted using vibration hammer
Solidity, it is to avoid hole is left in concrete.
The present invention is further arranged to：Synchronously transferred before diesel hammer, pile, vibration hammer and sleeve in S1, first use two-fold
The wirerope that cylinder hoist engine release is connected with diesel hammer, makes brill soil block enter in sleeve.
By using above-mentioned technical proposal, when release pile and sleeve, when the pile is entered in sleeve, because sleeve is in
Deviation occurs between suspension status, therefore pile and sleeve.Guided using soil block is bored, brill soil block is introduced into sleeve,
So as to eliminate the deviation between pile and sleeve.
The present invention is further arranged to：Stepped up in S5 during sleeve, be first promoted to brill soil block and enter sleeve, then
Sleeve is lifted to be socketed with pile.
By using above-mentioned technical proposal, when lifting sleeve, when making sleeve with pile socket, because sleeve is in hanging like
State, therefore there is deviation in pile and sleeve.Guided using soil block is bored, brill soil block is introduced into sleeve, so as to eliminate pile
Deviation between sleeve.
In summary, the invention has the advantages that：
1st, the setting for boring soil block advantageously reduces the resistance that sleeve and pile are subject to during piling.Meanwhile, it is inserted in pile
During sleeve, if deviation occur in pile and sleeve, the side for boring soil block can be caused to be abutted with the upper end of sleeve, now,
Boring soil block can guide pile to go successively in sleeve；
2nd, due to boring soil block in coniform, therefore toward when being put into steel reinforcement cage in sleeve, the space for boring soil block for steel reinforcement cage is dry
Relate to that region is less, so as to reduce the degree of crook of steel reinforcement cage, be conducive to being put into for steel reinforcement cage.
Brief description of the drawings
Fig. 1 is the structural representation of piling machine in embodiment 1；
Fig. 2 is the top view of piling component in embodiment 1；
Fig. 3 is the sectional view in A-A directions in Fig. 2；
Fig. 4 is the enlarged drawing in B regions in Fig. 3.
Reference：1st, platform；2nd, guide rail upright columns；3rd, support bar；4th, double drum winch, twin；5th, hoist engine is fed；6th, beat
Stake component；7th, wirerope；8th, pile；9th, sleeve；10th, diesel hammer；11st, screwed hole；12nd, threaded post；13rd, contiguous block；14th, inclined-plane；
15th, soil block is bored；16th, vibration hammer；17th, feed hopper；18th, chamfering；19th, suspension hook.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
Reference picture 1, a kind of piling machine, including platform 1.Guide rail upright columns 2, the branch for supporting guide column 2 are provided with platform 1
Strut 3, double drum winch, twin 4 and charging hoist engine 5.Piling component 6 is provided with guide rail upright columns 2, and double drum winch, twin 4 is logical
Cross the lifting of the control control piling component 6 of wirerope 7.
Reference picture 1,2 and 3, piling component 6 includes the sleeve 9 that pile 8 and pile 8 are socketed.The upper end of pile 8 is fixedly installed
There is the diesel hammer 10 for driving pile 8 to move.Diesel hammer 10 is slidably matched with guide rail support, so as to avoid beating during piling
Stake component 6 shifts.
Reference picture 4, the lower surface of pile 8 is provided with screwed hole 11.Pile 8 is connected with threaded post in the internal thread of screwed hole 11
12.The lower end of threaded post 12 is connected with round table-like contiguous block 13.The side of contiguous block 13 and the lower surface of pile 8 are tight
It is closely connected to close, therefore the lower surface of pile 8 and the side of contiguous block 13 are inclined-plane 14.And when water level in pile 8 lower surface and
When between the side of contiguous block 13, the water capacity flows out easily under self gravitation, so as to reduce lower surface and company of the hydropexis in pile 8
The time between the side of block 13 is connect, so as to reduce corrosion of the water to brill soil block 15 and pile 8.Contiguous block 13, which is connected with, is in
Coniform brill soil block 15.Due to boring soil block 15 in coniform, the resistance that pile 8 is subject to during driving piles, lifting can be reduced
Piling efficiency.And bore soil block 15 and be threadedly coupled with pile 8 by threaded post 12 and the realization of screwed hole 11, then occur in brill soil block 15
During damage, soil block 15 will be bored and pile 8 is separated and bores soil block 15 to change, it is to avoid change whole pile post 8, save cost.And
On the lower surface that screwed hole 11 is arranged on to pile 8, water is reduced in the aperture so as to make screwed hole 11 positioned at the top of bottom hole
It is trapped in the time in screwed hole 11, it is to avoid bore the corrosion of soil block 15 and pile 8.
Reference picture 3, sleeve 9 and the equal length of pile 8, the internal diameter of sleeve 9 and the external diameter of pile 8 are equal, therefore when sleeve 9
When being socketed with pile 8, the outer wall of pile 8 can be abutted with the inwall of sleeve 9, and sleeve 9 can be exposed by boring soil block 15.In piling
During, when sleeve 9 leaves stake holes and is socketed with pile 8, the outer wall of pile 8 is connected to the inwall of sleeve 9 and to being attached to
Concrete on the inwall of sleeve 9 is cleared up.The upper end of sleeve 9 is fixedly installed the vibration hammer for being vibrated with moving sleeve 9
16.The side wall of sleeve 9 is provided with the feed hopper 17 injected for concrete inside sleeve 9.
Reference picture 4, the lower end of sleeve 9 is provided with chamfering 18, the face of chamfering 18 of sleeve 9 and the side alignment for boring soil block 15,
So as to sleeve 9 the face of chamfering 18 and bore the side of soil block 15 and can form bigger circular cone, reduce piling process middle sleeve 9 by
The resistance arrived, while strengthening the ability to bear for boring soil block 15.
Reference picture 1, charging hoist engine 5 is connected with the suspension hook 19 for picking and placeing steel reinforcement cage by wirerope 7.Make in sleeve 9
It can strengthen the intensity after concrete setting with steel reinforcement cage.
Embodiment 2
The pile-driving method of piling machine, comprises the following steps in a kind of use embodiment 1：
S1：Check bore soil block 15 abrasion condition and confirm it is errorless after, first with double drum winch, twin 4 release be connected with diesel hammer 10
Wirerope 7, make brill soil block 15 enter sleeve 9 in, then with double drum winch, twin 4 release wirerope 7, by diesel hammer 10, pile 8, shake
Dynamic hammer 16 and sleeve 9 are synchronous to be transferred to pile driving position, and now the bottom of sleeve 9 is separated with the bottom of diesel hammer 10, and pile 8 and sleeve
9 sockets；
S2：Stop double drum winch, twin 4, relaxation wirerope 7 is opened diesel hammer 10 and vibration hammer 16 and driven piles to being related to depth,
After diesel hammer 10 works, the bottom of sleeve 9 and the bottom of diesel hammer 10 are abutted；
S3：Double drum winch, twin 4 is opened, the wirerope 7 being connected with diesel hammer 10 is reclaimed, lifts diesel hammer 10 and pile 8, until
Bore placing an order for soil block 15 and depart from the upper end of sleeve 9 and vibration hammer 16；
S4：Steel reinforcement cage is placed on suspension hook 19, steel reinforcement cage is lifted with charging hoist engine 5 and is put into sleeve 9；
S5：Concrete is pumped into sleeve 9, while opening vibration hammer 16 and double drum winch, twin 4, recovery is connected with vibration hammer 16
Wirerope 7, step up sleeve 9, be first promoted to brill soil block 15 and enter sleeve 9, then lift sleeve 9 and be socketed with pile 8.
When release pile 8 and sleeve 9, when the pile 8 is entered in sleeve 9 and lifting sleeve 9, make 8 sets of sleeve 9 and pile
When connecing, because sleeve 9 is in that deviation occurs between suspension status, therefore pile 8 and sleeve 9.Carried out using soil block 15 is bored
Guiding, makes brill soil block 15 be introduced into sleeve 9, so as to eliminate the deviation between pile 8 and sleeve 9.Toward being put into reinforcing bar in sleeve 9
During cage, due to boring soil block 15 in coniform, therefore toward when being put into steel reinforcement cage in sleeve 9, sky of the brill soil block 15 for steel reinforcement cage
Between interference region it is less, so as to reduce the degree of crook of steel reinforcement cage, be conducive to being put into for steel reinforcement cage.When lifting sleeve 9, utilize
The compactness to lift concrete in sleeve 9 of vibration hammer 16, it is to avoid hole is left in concrete.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (10)
1. one kind piling component (6), including pile (8) and the sleeve (9) with pile (8) socket, the upper end of the pile (8) is consolidated
Surely it is provided with for driving the mobile diesel hammer (10) of pile (8), the upper end of the sleeve (9) is fixedly installed for driving set
The vibration hammer (16) of cylinder (9) vibration, it is characterized in that：The lower end of the pile (8) is connected with coniform brill soil block (15), institute
State pile (8) and sleeve (9) equal length.
2. piling component (6) according to claim 1, it is characterized in that：The lower end of the sleeve (9) is provided with chamfering
(18), chamfering (18) face of the sleeve (9) and the alignment of the side of brill soil block (15).
3. piling component (6) according to claim 1, it is characterized in that：In the pile (8) and brill soil block (15), its
In one be provided with screwed hole (11), another is connected with threaded post (12), when threaded post (12) enter screwed hole (11) after, stake
Post (8) and brill soil block (15) are relatively fixed.
4. piling component (6) according to claim 3, it is characterized in that：The screwed hole (11) is located at the following table of pile (8)
Face, the threaded post (12) and the bottom surface integrally connected for boring soil block (15).
5. piling component (6) according to claim 4, it is characterized in that：Between the threaded post (12) and brill soil block (15)
It is connected with round table-like contiguous block (13), when threaded post (12) enters screwed hole (11), the side of the contiguous block (13)
Closely abutted with the lower surface of pile (8).
6. being provided with platform (1) on a kind of piling machine, including crawler body, the crawler body, it is provided with the platform (1)
Guide rail upright columns (2), support bar (3) and double drum winch, twin (4) for supporting guide column (2), it is characterized in that：Including such as weighing
Profit requires the piling component (6) described in 1-5 any one, and the diesel hammer (10) is slidably matched with guide rail upright columns (2), described double
Drum hoister (4) is by wirerope (7) while connecting and controlling the lifting of diesel hammer (10) and vibration hammer (16).
7. piling machine according to claim 6, it is characterized in that：Charging hoist engine (5), institute are provided with the platform (1)
State charging hoist engine (5) and suspension hook (19) for picking and placeing steel reinforcement cage is connected with by wirerope (7).
8. a kind of pile-driving method using piling machine as claimed in claim 7, it is characterized in that：Comprise the following steps：
S1：Check bore soil block (15) abrasion condition and confirm it is errorless after, with double drum winch, twin (4) discharge wirerope (7), by bavin
Synchronously decentralization is to pile driving position for oil hammer (10), pile (8), vibration hammer (16) and sleeve (9), now sleeve (9) bottom and diesel oil
Hammer the separation of (10) bottom into shape, and pile (8) and sleeve (9) are socketed；
S2：Stop double drum winch, twin (4), relaxation wirerope (7), opens diesel hammer (10) and vibration hammer (16) is driven piles to relating to
And depth, after diesel hammer (10) work, sleeve (9) bottom and diesel hammer (10) bottom are abutted；
S3：Double drum winch, twin (4) is opened, the wirerope (7) being connected with diesel hammer (10) is reclaimed, makes diesel hammer (10) and pile
(8) lifted, until boring placing an order for soil block (15) departs from the upper end of sleeve (9) and vibration hammer (16)；
S4：Steel reinforcement cage is placed on suspension hook (19), steel reinforcement cage is lifted with charging hoist engine (5) and is put into sleeve (9)；
S5：Concrete is pumped into sleeve (9), while opening vibration hammer (16) and double drum winch, twin (4), reclaimed and vibration hammer
(16) wirerope (7) of connection, steps up sleeve (9), sleeve (9) is socketed again with pile (8).
9. the pile-driving method of use piling machine according to claim 8, it is characterized in that：Diesel hammer is synchronously transferred in S1
(10), before pile (8), vibration hammer (16) and sleeve (9), first discharge what is be connected with diesel hammer (10) with double drum winch, twin (4)
Wirerope (7), makes brill soil block (15) enter in sleeve (9).
10. the pile-driving method of use piling machine according to claim 8, it is characterized in that：Sleeve (9) is stepped up in S5
During, first it is promoted to brill soil block (15) and enters sleeve (9), then lifts sleeve (9) and pile (8) socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366176.2A CN107165165A (en) | 2017-05-23 | 2017-05-23 | Piling machine and its piling component and pile-driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366176.2A CN107165165A (en) | 2017-05-23 | 2017-05-23 | Piling machine and its piling component and pile-driving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107165165A true CN107165165A (en) | 2017-09-15 |
Family
ID=59816388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366176.2A Pending CN107165165A (en) | 2017-05-23 | 2017-05-23 | Piling machine and its piling component and pile-driving method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107165165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309100A (en) * | 2021-07-30 | 2021-08-27 | 徐州徐工挖掘机械有限公司 | Pile clamping control method for pile driving equipment and pile driving equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003176535A (en) * | 2001-12-10 | 2003-06-24 | Sekisui House Ltd | Steel pipe pile and its construction method |
| CN2892969Y (en) * | 2006-04-03 | 2007-04-25 | 梁毅 | Pipe sinking and bottom expanding device of static pressure pile machine |
| CN103953042A (en) * | 2014-04-30 | 2014-07-30 | 长安大学 | Sleeve-type combined piling machine and piling method thereof |
| CN105386444A (en) * | 2015-11-23 | 2016-03-09 | 江创葵 | Foundation pile hole forming device and method |
-
2017
- 2017-05-23 CN CN201710366176.2A patent/CN107165165A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003176535A (en) * | 2001-12-10 | 2003-06-24 | Sekisui House Ltd | Steel pipe pile and its construction method |
| CN2892969Y (en) * | 2006-04-03 | 2007-04-25 | 梁毅 | Pipe sinking and bottom expanding device of static pressure pile machine |
| CN103953042A (en) * | 2014-04-30 | 2014-07-30 | 长安大学 | Sleeve-type combined piling machine and piling method thereof |
| CN105386444A (en) * | 2015-11-23 | 2016-03-09 | 江创葵 | Foundation pile hole forming device and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309100A (en) * | 2021-07-30 | 2021-08-27 | 徐州徐工挖掘机械有限公司 | Pile clamping control method for pile driving equipment and pile driving equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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| RJ01 | Rejection of invention patent application after publication |